2 files changed, 180 insertions, 0 deletions
diff --git a/phpBB/includes/avatar/driver.php b/phpBB/includes/avatar/driver.php
new file mode 100644
index 0000000000..777b225e84
--- /dev/null
+++ b/phpBB/includes/avatar/driver.php
@@ -0,0 +1,89 @@
+<?php
+/**
+*
+* @package avatar
+* @copyright (c) 2005, 2009 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* Base class for avatar drivers
+* @package avatars
+*/
+abstract class phpbb_avatar_driver
+{
+	/**
+	* Current board configuration
+	* @type phpbb_config
+	*/
+	protected $config;
+	
+	/**
+	* Current $phpbb_root_path
+	* @type string
+	*/
+	protected $phpbb_root_path;
+	
+	/**
+	* Current $phpEx
+	* @type string
+	*/
+	protected $php_ext;
+	
+	/**
+	* This flag should be set to true if the avatar requires a nonstandard image
+	* tag, and will generate the html itself.
+	* @type boolean
+	*/
+	public $custom_html = false;
+
+	/**
+	* Construct an avatar object
+	*
+	* @param $user_row User data to base the avatar url/html on
+	*/
+	public function __construct(phpbb_config $config, $phpbb_root_path, $php_ext)
+	{
+		$this->config = $config;
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+	}
+
+	/**
+	* Get the avatar url and dimensions
+	*
+	* @param $ignore_config Whether $user or global avatar visibility settings
+	*        should be ignored
+	* @return array Avatar data
+	*/
+	public function get_data($user_row, $ignore_config = false)
+	{
+		return array(
+			'src' => '',
+			'width' => 0,
+			'height' => 0,
+		);
+	}
+
+	/**
+	* Returns custom html for displaying this avatar.
+	* Only called if $custom_html is true.
+	*
+	* @param $ignore_config Whether $user or global avatar visibility settings
+	*        should be ignored
+	* @return string HTML
+	*/
+	public function get_custom_html($user_row, $ignore_config = false)
+	{
+		return '';
+	}
+}
diff --git a/phpBB/includes/avatar/manager.php b/phpBB/includes/avatar/manager.php
new file mode 100644
index 0000000000..04a4d8f425
--- /dev/null
+++ b/phpBB/includes/avatar/manager.php
@@ -0,0 +1,91 @@
+<?php
+/**
+*
+* @package avatar
+* @copyright (c) 2010 phpBB Group
+* @license http://opensource.org/licenses/gpl-license.php GNU Public License
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+	exit;
+}
+
+/**
+* @package acm
+*/
+class phpbb_avatar_manager
+{
+	private $phpbb_root_path;
+	private $php_ext;
+	private $config;
+	private $cache;
+	private static $valid_drivers = false;
+
+	public function __construct($phpbb_root_path, $php_ext = '.php', phpbb_config $config, phpbb_cache_driver_interface $cache = null)
+	{
+		$this->phpbb_root_path = $phpbb_root_path;
+		$this->php_ext = $php_ext;
+		$this->config = $config;
+		$this->cache = $cache;
+	}
+
+	public function get_singleton($avatar_type)
+	{
+		if (self::$valid_drivers === false)
+		{
+			$this->load_valid_drivers();
+		}
+
+		if (isset(self::$valid_drivers[$avatar_type]))
+		{
+			if (!is_object(self::$valid_drivers[$avatar_type]))
+			{
+				$class_name = 'phpbb_avatar_driver_' . $avatar_type;
+				self::$valid_drivers[$avatar_type] = new $class_name($this->config, $this->phpbb_root_path, $this->php_ext);
+			}
+
+			return self::$valid_drivers[$avatar_type];
+		}
+		else
+		{
+			return null;
+		}
+	}
+
+	private function load_valid_drivers()
+	{
+		require_once($this->phpbb_root_path . 'includes/avatar/driver.' . $this->php_ext);
+
+		if ($this->cache)
+		{
+			self::$valid_drivers = $this->cache->get('avatar_drivers');
+		}
+
+		if (empty($this->valid_drivers))
+		{
+			self::$valid_drivers = array();
+
+			$iterator = new DirectoryIterator($this->phpbb_root_path . 'includes/avatar/driver');
+
+			foreach ($iterator as $file)
+			{
+				if (preg_match("/^(.*)\.{$this->php_ext}$/", $file, $match))
+				{
+					self::$valid_drivers[] = $match[1];
+				}
+			}
+
+			self::$valid_drivers = array_flip(self::$valid_drivers);
+
+			if ($this->cache)
+			{
+				$this->cache->put('avatar_drivers', self::$valid_drivers);
+			}
+		}
+	}
+}